feat: 完成進貨單自動拋轉應付帳款流程與AP介面優化

1. 新增 AccountPayable (應付帳款) 模組，包含 Migration、Model、Service 與 Controller
2. 修改 GoodsReceipt (進貨單) 流程，在確認進貨時自動產生對應的應付帳款單 (AP-YYYYMMDD-XX)
3. 實作應付帳款詳細頁面 (Show.tsx)，包含發票登記與標記付款功能
4. 修正應付帳款 Show 頁面的排版，將發票資訊套用標準的綠色背景區塊，並調整按鈕位置
5. 更新相關的 Service Provider 與 Routes

app/Modules/Inventory/Events/GoodsReceiptApprovedEvent.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Modules\Inventory\Events;
+
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class GoodsReceiptApprovedEvent
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    public $goodsReceiptId;
+
+    /**
+     * Create a new event instance.
+     */
+    public function __construct(int $goodsReceiptId)
+    {
+        $this->goodsReceiptId = $goodsReceiptId;
+    }
+}